In electrical resistance welding, distortion results from the use of improper

Question

In electrical resistance welding, distortion results from the use of improper

A. Clamping methods

B. Electrodes

C. Current

D. Filler material

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A common disinfectant used in village wells for disinfection of water is

A. Free chlorine

B. Bromine

C. Iodine

D. Potassium permanganate

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All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. Nickel

B. Vanadium

C. Molybdenum

D. Chromium

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Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

A. Vapour locking

B. Hot starting

C. Spark plug fouling

D. All 'a', 'b' & 'c'

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With increase in impurities in metals, their corrosion resistances

A. Increase

B. Decrease

C. Remain same

D. May increase or decrease; depending on the type of metal

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Which one can be directly solidified from gaseous state without entering into liquid state?

A. Helium

B. Oxygen

C. Carbon dioxide

D. None of these

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Which of the following materials has the poorest electrical conductivity?

A. Carbon

B. Aluminium

C. Silver

D. Stainless steel

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Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

A. Re^0.5, Re^0.8

B. Re^0.8, Re^-0.5

C. Re^0.8, Re^0.5

D. Re^-0.8, Re^0.5

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Basic open hearth furnace (BOF) is not used for producing __________ steel.

A. Killed

B. Rimming

C. High alloy

D. None of these

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With increase in temperature, the electrical conductivity of semiconductors

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B), depends on the type of semi-conductor

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Water-tube boiler is the one, in which

A. Water passes through tubes and flue gases around it

B. Tube carrying hot flue gases are immersed in a pool of water

C. Tubes are placed in vertical position

D. None of these

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Speisses is a mixture of the following:

A. Arsenides of heavy metals

B. Antimonides of heavy metals

C. Arsenides & antimonides of heavy metals

D. Iron, cobalt and nickel

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Suitability of steel for its use in cable is judged by its strength in

A. Tension

B. Compression

C. Torsion

D. Shear

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In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

A. Conduction

B. Radiation

C. Natural convection

D. Forced convection

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Which of the following alloying elements is present in maximum percentage in high speed steel?

A. Molybdenum

B. Chromium

C. Tungsten

D. Vanadium

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__________ property of a material is determined by the Herbert Pendulum device.

A. Hardness

B. Tensile

C. Toughness

D. Compressive

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Brazing is the joining of metals

A. Without melting the base metal

B. With a non-ferrous filler

C. Both (A) & (B)

D. Neither (A) nor (B)

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Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

A. White

B. Cast

C. Wrought

D. Pig

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With increase in compression ratio, the volumetric efficiency of air compressor

A. Increases

B. Decreases

C. Remain same

D. May increase or decrease (depends on the suction pressure)

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Which one is neutral in character?

A. N₂O₄

B. N₂O

C. N₂O₅

D. N₂O₃

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While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

A. Waiting

B. Idle

C. Inspection

D. Tool replacement

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Which of the following if present in iron ore, enhances its value?

A. Alumina

B. Alkali oxide

C. Lime & Magnesia

D. None of these

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Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

A. Critical

B. Breeder

C. Fertile

D. Heterogeneous

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In chemical dehumidification of air

A. Both specific humidity & dry bulb temperature increases

B. Both specific humidity & dry bulb temperature decreases

C. Specific humidity decreases & dry bulb temperature increases

D. Specific humidity increases & dry bulb temperature decreases

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

D. 2.3 × 10⁶ J

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

A. Mach

B. Reynolds

C. Froude

D. Weber

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More than 95% of __________ is present in corundum.

A. SiO₂

B. Al₂O₃

C. CaSiO₂

D. MgO

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Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

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Which of the following is not a dielectric material?

A. Cotton, silk and paper

B. Asbestos, glass, porcelain and mica

C. Rubber and polymeric resins

D. All refractory materials

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Accepted Answer

A. Clamping methods

In electrical resistance welding, distortion results from the use of improper

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A common disinfectant used in village wells for disinfection of water is

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

With increase in impurities in metals, their corrosion resistances

Which one can be directly solidified from gaseous state without entering into liquid state?

Which of the following materials has the poorest electrical conductivity?

Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

Basic open hearth furnace (BOF) is not used for producing __________ steel.

With increase in temperature, the electrical conductivity of semiconductors

Water-tube boiler is the one, in which

Speisses is a mixture of the following:

Suitability of steel for its use in cable is judged by its strength in

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

Which of the following alloying elements is present in maximum percentage in high speed steel?

__________ property of a material is determined by the Herbert Pendulum device.

Brazing is the joining of metals

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

With increase in compression ratio, the volumetric efficiency of air compressor

Which one is neutral in character?

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

Which of the following if present in iron ore, enhances its value?

Steel produced from phosphatic iron is __________ in nature.

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

In chemical dehumidification of air

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

More than 95% of __________ is present in corundum.

Liquor poisoning generally occurs due to the presence of __________ in it.

Which of the following is not a dielectric material?

Also checkout

In electrical resistance welding, distortion results from the use of improper

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A common disinfectant used in village wells for disinfection of water is

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

With increase in impurities in metals, their corrosion resistances

Which one can be directly solidified from gaseous state without entering into liquid state?

Which of the following materials has the poorest electrical conductivity?

Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

Basic open hearth furnace (BOF) is not used for producing __________ steel.

With increase in temperature, the electrical conductivity of semiconductors

Water-tube boiler is the one, in which

Speisses is a mixture of the following:

Suitability of steel for its use in cable is judged by its strength in

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

Which of the following alloying elements is present in maximum percentage in high speed steel?

__________ property of a material is determined by the Herbert Pendulum device.

Brazing is the joining of metals

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

With increase in compression ratio, the volumetric efficiency of air compressor

Which one is neutral in character?

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

Which of the following if present in iron ore, enhances its value?

Steel produced from phosphatic iron is __________ in nature.

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

In chemical dehumidification of air

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

More than 95% of __________ is present in corundum.

Liquor poisoning generally occurs due to the presence of __________ in it.

Which of the following is not a dielectric material?

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)